
<ul class="ul-nav">
  <li><h4><a routerLink="/page01" >page01</a></h4></li>
  <li><h4><a routerLink="/page02" >page02</a></h4></li>
  <li><h4><a routerLink="/form" >form</a></h4></li>

</ul>
<router-outlet></router-outlet>